650138010 has 128 divisors (see below), whose sum is σ = 1734359040. Its totient is φ = 155232000.

The previous prime is 650138009. The next prime is 650138011. The reversal of 650138010 is 10831056.

It is an interprime number because it is at equal distance from previous prime (650138009) and next prime (650138011).

It is not an unprimeable number, because it can be changed into a prime (650138011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1323865 + ... + 1324355.

It is an arithmetic number, because the mean of its divisors is an integer number (13549680).

Almost surely, 2^650138010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650138010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867179520).

650138010 is an abundant number, since it is smaller than the sum of its proper divisors (1084221030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650138010 is a wasteful number, since it uses less digits than its factorization.

650138010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 650138010 is about 25497.8040230919. The cubic root of 650138010 is about 866.3004085198.

Adding to 650138010 its reverse (10831056), we get a palindrome (660969066).

The spelling of 650138010 in words is "six hundred fifty million, one hundred thirty-eight thousand, ten".